tropical forests a tropical disease. b : of, being, or characteristic of a region or climate that is frost-free with temperatures high enough to support year-round plant growth given sufficient moisture tropical Florida.

Tropical climates are characterized by monthly average temperatures of 18 °C (64.4 °F) or higher and feature hot temperatures all year-round. Annual precipitation is often abundant in tropical climates, and shows a seasonal rhythm but may have seasonal dryness to varying degrees.

A tropical climate is also known as 'equatorial', because places found on or close to the Equator are typically tropical: they're warm and wet. The tropical zone includes the Amazon Basin of Brazil, West Africa's Congo Basin and the rainforests of Malaysia and Indonesia.